Professor George Sugai is a world leader in positive behaviour support (PBS), a behaviour management system used to understand what maintains an individual's challenging behaviour, and establishing goals for change. For this presentation he outlines how PBS is just one part of prevention-based multi-tiered systems approach that can be used to support the academic and social behavioural goals of schools. SPEAKER: Professor George Sugai, Center for Behavioral Education and Research Neag School of Education, University of Connecticut. Presented by Sydney Ideas for the University of Sydney School of Education and Social Work Dean's lecture series on 4 April 2017 http://sydney.edu.au/sydney_ideas/lectures/2017/ESW_deans_lecture_series.shtml